CN216663670U - Compound useless full-thickness formula road bed road surface structure admittedly - Google Patents

Abstract

The utility model discloses a composite solid waste full-thickness roadbed and pavement structure in the technical field of composite solid waste full-thickness roadbed and pavement structures, which comprises a roadbed layer, wherein a leveling reinforcing layer is paved at the top of the roadbed layer, an asphalt sandstone layer is paved at the top of the leveling reinforcing layer, an asphalt mixture layer is paved at the top of the asphalt sandstone layer, and curbs are arranged on two sides of the roadbed layer, when the leveling reinforcing layer is paved, rectangular steel frames are firstly installed, then concrete is filled into a steel groove, leveling is carried out, the asphalt sandstone layer is paved after the leveling reinforcing layer is dried, a rectangular frame in the leveling reinforcing layer is arranged when the concrete is filled, the function of a template is served, the roadbed can be more conveniently and more regularly filled, the arrangement of the steel frames in the steel groove is equivalent to the arrangement of a plurality of reinforcing ribs which are inserted into the concrete in longitudinal and transverse directions, and a high-strength roadbed can provide stable support for an upper structure, the dragging between the longitudinal and transverse steel frames can avoid the cracking and sinking of the road surface, and the maintenance cost is saved for the later period.

Description

Compound useless full-thickness formula road bed road surface structure admittedly

Technical Field

The utility model relates to the technical field of composite solid waste full-thickness roadbed and pavement structures, in particular to a composite solid waste full-thickness roadbed and pavement structure.

Background

In recent years, the construction of roads and municipal roads in China is rapidly developed, the demand for high-quality pavement materials is increased day by day, the raw materials used for road construction mainly comprise aggregates (limestone, basalt and the like) and cementing materials (cement, asphalt and the like), heavy construction and maintenance tasks bring huge pressure to the supply of the raw materials, particularly, the shortage phenomenon of high-quality sandstone aggregates is serious day by day, and the price is high, so that the search for high-quality substitute materials of natural aggregates or recycling old materials is inevitable.

The existing urban road surface can deform under the rolling of long-time vehicles, and can crack or sink for a long time, particularly in the presence of certain geological disasters, the bottom of a roadbed is not stable enough for supporting the opposite side, so that the road surface can crack correspondingly after the road base layer cracks, and the normal traffic order is influenced. Based on the structure, the utility model designs a composite solid waste full-thickness roadbed and pavement structure to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a composite solid waste full-thickness roadbed and pavement structure, which aims to solve the problems that the existing pavement proposed in the background art can deform and crack or sink for a long time under the rolling of a long-time vehicle, and particularly, the opposite support of the bottom of a roadbed is not stable enough in the presence of certain geological disasters, so that the pavement can crack correspondingly after a roadbed layer cracks, and the normal traffic order is influenced. To a problem of (a).

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compound useless full thick formula roadbed pavement structure admittedly, includes the roadbed layer, the back up coat of making level has been laid at the top of roadbed layer, the bituminous sandstone layer has been laid at the top of the back up coat of making level, the bituminous mixture layer has been laid at the top on bituminous sandstone layer, the both sides of roadbed layer are equipped with the curbstone.

Preferably, the road base layer is a coarse sand gravel layer with the thickness of 4-6mm which is paved on the upper part of the original road surface after the original road surface is leveled.

Preferably, the leveling reinforcing layer comprises a rectangular steel frame at the bottom, a steel tank and a packing layer, wherein longitudinal and transverse steel frames are uniformly distributed in the middle of the inner wall of the steel tank, and the packing layer is a concrete filling layer made of steel slag cement, medium sand and broken stones in a mixed mode.

Preferably, the filler layer is laid in the steel groove, the thickness of the filler layer is 40-50mm, and the top of the filler layer is flush with the frame of the rectangular steel frame.

Preferably, the thickness of the asphalt sandstone layer is laid to be 35-40mm, steel slag with the particle size of 8-12mm is adopted, and the thickness of the asphalt mixture layer is 25-40 mm.

Preferably, the curbstone comprises a wedge-shaped steel frame and a surface layer, the bottom of the wedge-shaped steel frame is flush with the bottom of the rectangular steel frame, the highest point of the wedge-shaped steel frame is flush with the bituminous sand layer and is fixed with the frame of the rectangular steel frame through the lengthened screw rod, the surface layer is paved by adopting a bituminous mixture, and the thickness of the surface layer is 30-45 mm.

Compared with the prior art, the utility model has the beneficial effects that:

according to the composite solid waste full-thickness roadbed and pavement structure, when the leveling reinforcing layer is laid, the rectangular steel frames are installed firstly, then concrete is filled into the steel groove, leveling is carried out, the asphalt sandstone layer is laid after the leveling reinforcing layer is dried thoroughly, the rectangular frames in the leveling reinforcing layer serve as templates when the concrete is filled, the roadbed can be filled more conveniently and regularly, the arrangement of the longitudinal and transverse steel frames in the steel groove is equivalent to the arrangement of a plurality of reinforcing ribs in the concrete, one high-strength roadbed can provide stable support for an upper structure, the phenomena of cracking and sinking of the pavement can be avoided due to dragging between the longitudinal and transverse steel frames, and the maintenance cost is saved for the later period.

The utility model relates to a composite solid waste full-thickness roadbed and pavement structure, wherein a wedge-shaped steel frame is arranged on the inner side of a curb, the bottom of the wedge-shaped steel frame is flush with the bottom of a rectangular steel frame, the highest point of the wedge-shaped steel frame is flush with an asphalt sand layer, the wedge-shaped steel frames on two sides play a role in fastening the opposite surface of the middle part, the side surface of the curb is inclined, and the side surface of the curb is continuously extruded by vehicle impact force in the later period, so that the material of a pavement laying layer is more densely accumulated, the compression resistance of a pavement is enhanced, waste steel slag can be filled in the hollow part of the wedge-shaped steel frame, and the waste steel slag can be directly replaced and filled with roadbed sand, so that the cost can be saved.

According to the composite solid waste full-thickness roadbed and pavement structure, materials are used, a large amount of waste steel is used for filling the roadbed and paving the pavement, waste utilization is achieved, and the structure is environment-friendly and can save cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the composite solid waste full-thickness roadbed and pavement decomposition structure of the utility model;

FIG. 3 is a schematic view of the rectangular steel frame structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the method comprises the following steps of 1-roadbed layer, 2-leveling reinforcing layer, 21-rectangular steel frame, 22-steel groove, 23-packing layer, 3-asphalt sandstone layer, 4-asphalt mixture layer, 5-curbstone, 51-wedge-shaped steel frame and 52-surface layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a compound useless full thick formula roadbed pavement structure admittedly, includes roadbed 1, and roadbed 1's top has been laid and has been made level strengthening layer 2, and bituminous sandstone layer 3 has been laid at the top of strengthening layer 2 of making level, and bituminous sandstone layer 3's top has been laid and has been mixed bed of material 4, and roadbed 1's both sides are equipped with way tooth 5.

Wherein, the road base layer 1 is a coarse sand gravel layer with the thickness of 4-6mm which is paved on the upper part of the original road surface after the original road surface is leveled;

wherein, lay the reinforcement layer 2 of making level on the roadbed 1, the reinforcement layer 2 of making level includes rectangular steel frame 21, steel trough 22, packing layer 23 of the bottom, the middle part of the inner wall of steel trough 22 evenly distributes and moves the steel frame vertically and horizontally, the packing layer 23 is the concrete packing layer made by mixing of steel slag cement, medium sand, rubble, the packing layer 23 is laid in steel trough 22, its thickness is 40-50mm, the top flushes with the frame of rectangular steel frame 21, fill and level the concrete to the steel trough 22, then make level, until make level reinforcement layer 2 go on, lay of bituminous sand stone layer 3 again after drying thoroughly, rectangular frame 21 set up in reinforcement layer 2 of making level when filling the concrete, has served as the function of the template, can be more convenient when the roadbed is filled, regular, and move setting up and move the steel frame vertically and horizontally in the steel trough 22 is equivalent to inserting a plurality of strengthening ribs in the concrete, a high strength roadbed can provide stable support for the superstructure, the dragging between the longitudinal and transverse steel frames can avoid the phenomena of cracking and sinking of the road surface, and the maintenance cost is saved for the later period.

Screening steel slag with the particle size of 8-12mm, uniformly mixing gravel and steel slag regenerated asphalt, paving the mixture on a base layer, pressurizing the mixture to solidify the mixture, paving the asphalt gravel layer 4 with the thickness of 35-40mm, and paving the asphalt mixture layer 4 with the thickness of 25-40mm

Wherein, curbstone 5 includes wedge steelframe 51, surface course 52, the bottom of wedge steelframe 51 flushes with the bottom of rectangle steelframe 21, the peak point of wedge steelframe 51 flushes with bituminous sand stone layer 3, and it is fixed with the frame of rectangle steelframe 21 through the extension screw, surface course 52 adopts the bituminous mixture shop front, its thickness is 30-45mm, the wedge steelframe 51 of both sides plays the effect of fastening to the opposite of middle part, the side of curbstone 5 is the slope form, the continuous extrusion of vehicle impulsive force at the later stage, can make the more intensive of overstock between the material of road surface laying layer, strengthen the crushing resistance on road surface, can fill old and useless slag also can directly replace the packing with the sand and soil of steelframe at wedge 51's hollow part, can save cost, then lay bituminous surface course 52 and pressurize and wait its solidification, can accomplish the laying of curbstone 5 outside.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a compound useless full thick formula road bed road surface structure admittedly, includes roadbed layer (1), its characterized in that: the top of roadbed layer (1) has been laid and has been made level strengthening layer (2), pitch gravel layer (3) have been laid at the top of making level strengthening layer (2), pitch mixture bed (4) have been laid at the top of pitch gravel layer (3), the both sides of roadbed layer (1) are equipped with curb (5).

2. The composite solid waste full-thickness roadbed pavement structure of claim 1, wherein the structure comprises: the roadbed layer (1) is a coarse sand gravel layer with the thickness of 4-6mm, which is paved on the upper part of an original road surface after leveling.

3. The composite solid waste full-thickness roadbed pavement structure of claim 1, wherein the structure comprises: the leveling reinforcing layer (2) comprises a rectangular steel frame (21) at the bottom, a steel groove (22) and a packing layer (23), wherein longitudinal and transverse steel frames are uniformly distributed in the middle of the inner wall of the steel groove (22), and the packing layer (23) is a concrete filling layer.

4. The composite solid waste full-thickness roadbed pavement structure of claim 3, wherein the structure is characterized in that: the packing layer (23) is laid in the steel groove (22), the thickness of the packing layer is 40-50mm, and the top of the packing layer is flush with the frame of the rectangular steel frame (21).

5. The composite solid waste full-thickness roadbed pavement structure of claim 1, wherein the structure comprises: the thickness of the asphalt sandstone layer (3) is laid to be 35-40mm, steel slag with the particle size of 8-12mm is adopted, and the thickness of the asphalt mixture layer (4) is 25-40 mm.

6. The composite solid waste full-thickness roadbed pavement structure of claim 1, wherein the structure comprises: the road teeth (5) comprise wedge-shaped steel frames (51) and surface layers (52), the bottoms of the wedge-shaped steel frames (51) are flush with the bottoms of the rectangular steel frames (21), the highest points of the wedge-shaped steel frames (51) are flush with the asphalt sandstone layers (3), the highest points of the wedge-shaped steel frames (51) are fixed with the frames of the rectangular steel frames (21) through lengthened screws, the surface layers (52) are paved by asphalt mixtures, and the thickness of the surface layers is 30-45 mm.

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